(Q41314345)
Statements
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Ontario Child Health Study. I. Methodology (English)
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Boyle MH
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Offord DR
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Hofmann HG
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Catlin GP
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Byles JA
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Cadman DT
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Crawford JW
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Links PS
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Rae-Grant NI
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Szatmari P
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1 September 1987
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Identifiers
1 reference